123411628 has 12 divisors (see below), whose sum is σ = 216048280. Its totient is φ = 61683552.

The previous prime is 123411623. The next prime is 123411637. The reversal of 123411628 is 826114321.

It is a super-2 number, since 2×123411628² = 30460859851220768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123411596 and 123411605.

It is not an unprimeable number, because it can be changed into a prime (123411623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17875 + ... + 23797.

Almost surely, 2^123411628 is an apocalyptic number.

It is an amenable number.

123411628 is a deficient number, since it is larger than the sum of its proper divisors (92636652).

123411628 is a wasteful number, since it uses less digits than its factorization.

123411628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11136 (or 11134 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 123411628 is about 11109.0786296614. The cubic root of 123411628 is about 497.8731363971.

Adding to 123411628 its reverse (826114321), we get a palindrome (949525949).

The spelling of 123411628 in words is "one hundred twenty-three million, four hundred eleven thousand, six hundred twenty-eight".